LM2901_06 datasheet(5/16 Pages) STMICROELECTRONICS | Low power quad voltage comparator

5 page

LM2901

Electrical characteristics

5/16

Electrical characteristics

Table 3.

Electrical characteristics at VCC

+ = 5V, V

- = GND, T

amb = 25°C

(unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Vio

Input offset voltage (1)

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

At output switch point, VO ≈ 1.4V, RS = 0 with VCC

+ from 5V to 30V, and over the full input common-mode

range (0V to VCC

+ –1.5V).

Iio

Input offset current

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

550

150

Iib

Input bias current (II

+ or I

-) (2)

Tamb = 2.5V

Tmin ≤ Tamb ≤ Tmax

The direction of the input current is out of the IC due to the PNP input stage. This current is essentially

constant, independent of the state of the output, so no loading charge exists on the reference of input lines.

250

400

Avd

Large signal voltage gain

(Vcc = 15V,RL=15kΩ, Vo=1 to 11V)

200

V/mV

Icc

Supply current (all comparators)

VCC = +5V, no load

VCC = +30V, no load

1.1

1.3

2.5

Vicm

Input common mode voltage range

(Vcc=30V)

(3)

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

VCC

+-1.5

VCC

+-2

Vid

Differential input voltage(4)

VCC

VOL

Low level output voltage

Vid = -1V, Isink = 4mA

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

250

400

700

Ioh

High level output current

(VCC =Vo =30V, Vid = 1V)

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

0.1

µA

Isink

Output sink current (Vid = -1V,Vo = 1.5V)

tre

Small signal response time(5)

(RL = 5.1kΩ connected to VCC

1.3

µs

trel

Large signal response time(6)

TTL input (Vref = +1.4 V, RL=5.1kΩ to

VCC

Output signal at 50% of final value

Output signal at 95% of final value

500

µs

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